New Holland 3387: Fault in the Drive Circuit of the Fan Speed Reduction

A short circuit to 'ground' or an open circuit has been detected in the drive circuit of the fan speed reduction. This condition may affect the proper operation of the fan speed reduction system.

1. 1

   The drive circuit of the fan speed reduction

2. 2

   Connections and wiring related to the drive circuit

1. 1

   Inspect

   Inspect the drive circuit of the fan speed reduction for visible damage, wear, or disconnection.

2. 2

   Test

   Test the drive circuit for continuity and proper insulation to identify any short circuit to 'ground' or open circuit.

3. 3

   Repair

   Repair or replace any damaged components or wiring in the drive circuit as needed.